A weakened Helene brings 'catastrophic' flooding as it crosses southern AppalachiansBy Emma Bowman (NPR), Rachel Treisman (NPR), Jonathan Franklin (NPR) and Bill Chappell (NPR)Sept. 28, 2024 12:16 a.m.📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up